/* ============================================================
   AssemblyFlow — shared site styles
   Type: Spectral (display) + Geist (UI)
   Palette: Navy + light blue + paper, amber accent
============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap");
@import url("https://cdn.jsdelivr.net/npm/geist@1.3.1/dist/fonts/geist-sans/style.css");
@import url("https://cdn.jsdelivr.net/npm/geist@1.3.1/dist/fonts/geist-mono/style.css");

:root {
  /* Brand */
  --navy-950: #060B1C;
  --navy-900: #0B1530;
  --navy-800: #0E1B36;   /* logo dark */
  --navy-700: #182D54;
  --navy-600: #234077;
  --blue-600: #2E5FB1;
  --blue-500: #3B73C4;   /* logo light blue */
  --blue-400: #5B92E0;
  --blue-300: #9BBDEF;
  --blue-200: #C6D8F2;
  --blue-100: #E7EEF9;

  /* Paper */
  --paper: #FFFFFF;
  --paper-2: #F7F9FC;
  --paper-3: #EEF2F8;
  --paper-4: #E1E7F0;
  --rule: #D9E0EC;
  --rule-2: #C5CFDF;

  /* Ink */
  --ink: #0B1530;
  --ink-2: #2E3A55;
  --ink-3: #5A6680;
  --ink-4: #8B95AC;

  /* Accents (used sparingly) */
  --amber: #C8902F;
  --amber-soft: #F3E3C7;
  --amber-deep: #8E5A1C;

  /* Teal — the actual app's primary action color */
  --teal-900: #0F4A45;
  --teal-800: #11605A;
  --teal-700: #137A72;   /* primary action */
  --teal-600: #169589;
  --teal-500: #1FAFA0;
  --teal-100: #D2EBE7;
  --teal-50:  #ECF6F4;
  --teal: var(--teal-700);

  /* Parchment — the actual app's countdown/announcement slide ground */
  --parchment: #F1E3C6;
  --parchment-2: #E8D6AE;
  --parchment-ink: #1F2A40;

  /* System */
  --bg: var(--paper);
  --fg: var(--ink);
  --muted: var(--ink-3);
  --line: var(--rule);

  --font-display: "Spectral", "Iowan Old Style", Georgia, serif;
  --font-ui: "Geist", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;

  --shadow-sm: 0 1px 2px rgba(11,21,48,.04), 0 1px 1px rgba(11,21,48,.03);
  --shadow-md: 0 6px 24px -8px rgba(11,21,48,.12), 0 2px 6px -2px rgba(11,21,48,.06);
  --shadow-lg: 0 30px 60px -30px rgba(11,21,48,.28), 0 12px 24px -12px rgba(11,21,48,.10);

  --max: 1240px;
  --pad: clamp(20px, 4vw, 40px);

  --accent: var(--blue-500);
  --accent-strong: var(--blue-600);
}

/* Dark mode override (driven by Tweaks) */
[data-theme="dark"] {
  --bg: #07101F;
  --fg: #E6ECF7;
  --muted: #8FA0BD;
  --line: #1B2A47;
  --paper: #0B1530;
  --paper-2: #0F1B3A;
  --paper-3: #142546;
  --paper-4: #1A2D54;
  --rule: #1B2A47;
  --rule-2: #243A63;
  --ink: #E6ECF7;
  --ink-2: #C8D2E5;
  --ink-3: #8FA0BD;
  --ink-4: #6276A0;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---------- Type ---------- */
.display { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.012em; line-height: 1.05; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 500; letter-spacing: -0.012em; line-height: 1.08; }
.h1 { font-size: clamp(40px, 6.2vw, 84px); font-weight: 400; letter-spacing: -0.02em; line-height: 0.98; }
.h2 { font-size: clamp(30px, 4.2vw, 56px); font-weight: 400; letter-spacing: -0.018em; line-height: 1.04; }
.h3 { font-size: clamp(22px, 2.2vw, 30px); font-weight: 500; letter-spacing: -0.01em; line-height: 1.15; }
.eyebrow {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.lede {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  color: var(--ink-2);
}
.kicker {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--blue-600);
  letter-spacing: 0.02em;
}

/* ---------- Layout ---------- */
.container { max-width: var(--max); margin: 0 auto; padding-inline: var(--pad); }
.section { padding-block: clamp(64px, 9vw, 120px); }
.section-tight { padding-block: clamp(48px, 6vw, 80px); }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.nav-brand .mark { width: 28px; height: 28px; }
.nav-brand .wordmark {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.nav-brand .wordmark b { font-weight: 500; color: var(--blue-500); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 14px;
  color: var(--ink-2);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  font-weight: 450;
}
.nav-links a:hover { color: var(--ink); background: var(--paper-3); }
.nav-links a.is-active { color: var(--ink); }
.nav-cta { display: flex; gap: 8px; align-items: center; }
.nav-cta .btn-ghost { display: inline-flex; }
/* Hide the secondary ghost CTA first on mid-laptop widths */
@media (max-width: 1180px) {
  .nav-cta .btn-ghost { display: none; }
}
/* Collapse the primary CTA label to icon-only when really tight */
@media (max-width: 1080px) {
  .nav-links { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  padding: 11px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .12s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--teal-700);
  color: #fff;
  border-color: var(--teal-700);
}
.btn-primary:hover { background: var(--teal-800); border-color: var(--teal-800); }
.btn-navy {
  background: var(--navy-800);
  color: #fff;
  border-color: var(--navy-800);
}
.btn-navy:hover { background: var(--navy-900); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}
.btn-ghost:hover { background: var(--paper-3); border-color: var(--rule-2); }
.btn-link {
  background: transparent; color: var(--ink);
  border: 0; padding: 6px 0;
}
.btn-link:hover { color: var(--blue-600); }
.btn-lg { padding: 14px 20px; font-size: 15px; border-radius: 10px; }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.btn .arr { transition: transform .2s ease; }
.btn:hover .arr { transform: translateX(2px); }

/* ---------- Music-staff motif ---------- */
.staff {
  height: 32px;
  background-image:
    linear-gradient(var(--rule-2), var(--rule-2)),
    linear-gradient(var(--rule-2), var(--rule-2)),
    linear-gradient(var(--rule-2), var(--rule-2)),
    linear-gradient(var(--rule-2), var(--rule-2)),
    linear-gradient(var(--rule-2), var(--rule-2));
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: 0 4px, 0 11px, 0 18px, 0 25px, 0 32px;
}
.staff-thin { height: 28px; background-position: 0 3px, 0 9px, 0 15px, 0 21px, 0 27px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 64px 32px;
  background: var(--paper-2);
  color: var(--ink-2);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 56px;
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
.footer h4 {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin: 0 0 14px 0;
  font-weight: 500;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer a { color: var(--ink-2); text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--ink-4);
  gap: 16px; flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .mark { width: 24px; height: 24px; }
.footer-brand .wordmark { font-family: var(--font-display); font-size: 18px; color: var(--ink); }
.footer-brand .wordmark b { color: var(--blue-500); font-weight: 500; }

/* ---------- Generic card ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
}

/* ---------- Tag / pill ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 10px 5px 8px;
  border-radius: 999px;
  background: var(--paper-3);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-2);
  font-weight: 500;
}
.tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue-500); }
.tag .dot-amber { background: var(--amber); }
.tag .dot-teal { background: var(--teal); }

/* ---------- Mock UI shared ---------- */
.mock {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.mock-titlebar {
  height: 36px;
  background: linear-gradient(180deg, #F4F6FA, #E7ECF4);
  border-bottom: 1px solid var(--rule);
  display: flex; align-items: center; padding: 0 12px;
  gap: 8px;
  font-size: 12px; color: var(--ink-3);
}
.mock-titlebar .tb-dots { display: flex; gap: 6px; }
.mock-titlebar .tb-dots i { width: 11px; height: 11px; border-radius: 50%; display: block; background: #D9DEE7; }
.mock-titlebar .tb-title {
  flex: 1; text-align: center;
  font-family: var(--font-display); font-size: 13px; color: var(--ink-2);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}

/* keyboard / kbd */
kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  color: var(--ink-2);
}

/* Misc */
.text-muted { color: var(--muted); }
.text-display { font-family: var(--font-display); }
.row { display: flex; gap: 16px; align-items: center; }
.stack { display: flex; flex-direction: column; gap: 16px; }
hr.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* Focus */
:focus-visible { outline: 2px solid var(--blue-500); outline-offset: 2px; border-radius: 4px; }